210100004 has 6 divisors (see below), whose sum is σ = 367675014. Its totient is φ = 105050000.

The previous prime is 210099979. The next prime is 210100013. The reversal of 210100004 is 400001012.

210100004 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 209380900 + 719104 = 14470^2 + 848^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210099964 and 210100000.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26262497 + ... + 26262504.

It is an arithmetic number, because the mean of its divisors is an integer number (61279169).

Almost surely, 2^210100004 is an apocalyptic number.

It is an amenable number.

210100004 is a deficient number, since it is larger than the sum of its proper divisors (157575010).

210100004 is a wasteful number, since it uses less digits than its factorization.

210100004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52525005 (or 52525003 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 210100004 is about 14494.8268013109. The cubic root of 210100004 is about 594.4865320446.

Adding to 210100004 its reverse (400001012), we get a palindrome (610101016).

The spelling of 210100004 in words is "two hundred ten million, one hundred thousand, four".